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    <font size="-1"><font face="Verdana">Dear Sirs,</font></font>
    <p><font size="-1"><font face="Verdana">in my environment I have a
          Kolab 14 installation on ubuntu 14.04.5 with seafile as file
          backend.</font></font></p>
    <p><font size="-1"><font face="Verdana">I don't have any issue,
          everything is working very well except for an issue that I
          have with my collegues who are using thunderbird as backend
          (outlook configured with an Exchange server is properly
          working).</font></font></p>
    <p><font size="-1"><font face="Verdana">When they try to insert an
          event on the calendar via client, the item is correctly
          inserted (no error messages), but it can't be found in the web
          interface.</font></font></p>
    <p><font size="-1"><font face="Verdana">If they close tb and reopen
          it, the item is not present.</font></font></p>
    <p><font size="-1"><font face="Verdana">The log is the following:</font></font></p>
    <p><font size="-1"><font face="Verdana">[11-Oct-2016 13:28:34
          Europe/Zurich] PHP Fatal error:  Uncaught exception
          'Exception' with message 'Storage error. Library not found.'
          in
          /usr/share/chwala/lib/drivers/seafile/seafile_file_storage.php:1086<br>
          Stack trace:<br>
          #0
          /usr/share/chwala/lib/drivers/seafile/seafile_file_storage.php(1199):
          seafile_file_storage->find_library('calendars/pietr...')<br>
          #1
          /usr/share/chwala/lib/drivers/seafile/seafile_file_storage.php(896):
          seafile_file_storage->uri2resource('calendars/pietr...')<br>
          #2 /usr/share/chwala/lib/api/lock_list.php(38):
          seafile_file_storage->lock_list('calendars/pietr...',
          false)<br>
          #3 /usr/share/chwala/lib/file_api_lib.php(127):
          file_api_lock_list->handle()<br>
          #4 /usr/share/iRony/lib/Kolab/DAV/Locks/Chwala.php(91):
          file_api_lib->__call('lock_list', Array)<br>
          #5 /usr/share/iRony/lib/Kolab/DAV/Locks/Chwala.php(91):
          Kolab\DAV\Backend->lock_list('calendars/pietr...', false)<br>
          #6
          /usr/share/iRony/vendor/sabre/dav/lib/Sabre/DAV/Locks/Plugin.php(234):
          Kolab\DAV\Locks\Chwala->getLocks('calendars/pietr...',
          false)<br>
          #7
          /usr/share/iRony/vendor/sabre/dav/lib/Sabre/DAV/Locks/Plugin.php(
          in
          /usr/share/chwala/lib/drivers/seafile/seafile_file_storage.php
          on line 1086<br>
        </font></font></p>
    <p>Can anyone help?</p>
    <p>Regards,</p>
    <p>Pietro<br>
    </p>
    <br>
    <div class="moz-signature">-- <br>
      <font size="-1"><font face="Verdana">
          <p><strong>Pietro Vassalli</strong> <br>
            IT Manager<br>
            ........................................................</p>
          <table>
            <tbody>
              <tr>
                <td><span>Direct:</span></td>
                <td><span>+41 91 935 9634</span></td>
              </tr>
              <tr>
                <td>Fax:</td>
                <td><span>+41 91 935 9320</span></td>
              </tr>
              <tr>
                <td>Mobile:</td>
                <td><span>+41 79 706 2168</span></td>
              </tr>
              <tr>
                <td>E-mail:</td>
                <td><u><a href="mailto:p.vassalli@waterline.ch">p.vassalli@waterline.ch</a></u></td>
              </tr>
            </tbody>
          </table>
          <p>........................................................<strong><br>
            </strong><strong>Water Line SA</strong><br>
            Via Sceresa 7 – Zona industriale 3 <br>
            P.O. Box 149<br>
            CH-6805 Mezzovico-Vira <br>
            Switzerland <br>
            ........................................................</p>
          <table>
            <tbody>
              <tr>
                <td><span>Voice:</span></td>
                <td><span>+41 91 935 9300</span></td>
              </tr>
              <tr>
                <td>Fax:</td>
                <td><span>+41 91 946 2064</span></td>
              </tr>
              <tr>
                <td>E-mail:</td>
                <td><u><a href="mailto:info@waterline.ch">info@waterline.ch</a></u></td>
              </tr>
              <tr>
                <td>Website:</td>
                <td><u><a href="http://www.waterline.ch">www.waterline.ch</a></u></td>
              </tr>
            </tbody>
          </table>
          <p>........................................................</p>
          <p><img src="cid:part4.BE1ECF18.E1B29BEC@waterline.ch" alt=""
              height="45" width="302"></p>
        </font></font></div>
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